Chapter 2 Introduction Statistics

A scientific body of knowledge which deals with collection, presentation, interpretation and analysis of data.

• Probability

• Statistics

• Sequence

• Geometry

Which of the following is a statistical question?

• What is your favorite color?

• Who is your Math teacher?

• How far do Grade 7 Students live from the school?

Which of the following is not a statistical question?

• What is your favorite color?

• How much time do Grade 7 Students spent on studying?

• How far do Grade 7 Students live from the school?

It is a small portion or part of a population.

It is the subgroup, subset or the representative of a population.

• Data

• Population

• Sample

• Variable

What is the branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data?

• Statistics

• Algebra

• Geometry

• Calculus

What is the branch of science and mathematics that deals with the collection, organization, or presentation, interpretation, and analysis of data regardless of discipline?

A collection and study of data

• Survey

• Sample Size

• Statisitics

Which of the following is an example of numerical data?

• Favorite color of Grade 7 Students

• Weight of Grade 7 Students

Statistics can help to predict the future growth of an economy.

• True

• False

The purpose of descriptive statistics is to

• make decision

• make estimation

• describe data

• make hypothesis testing